See the shocking arsenal stockpiled inside Adam Lanza's lair

This image contained in the "Appendix to Report on the Shootings at Sandy Hook Elementary School and 36 Yogananda St., Newtown, Connecticut On December 14, 2012" and released Monday, Nov. 25, 2013, by the Danbury, Conn., State’s Attorney shows a scene at 36 Yogananda St., where gunman Adam Lanza lived with his mother in Newtown, Conn. Lanza opened fire inside the school killing 20 first-graders and six educators before killing himself as police arrived. (AP Photo/Office of the Connecticut State's Attorney Judicial District of Danbury)